Solve. Graph the solution on a number line, and express it in interval notation.3x < 6
or
x + 2 ? 11
A. x > 2, (2, ?)
B. x ? 9, (-?, 9]
C. x ? -9 or x > 2, (-?, -9] ? (2, ?)
D. x < 2 or x ? 9, (-?, 2) ? [9, ?)
Answer: D
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